# -*- coding: utf-8 -
# Copyright 2008 by Benoît Chesneau <benoitc@e-engura.com>
# 
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from couchdb_django.client import Server
from django.conf import settings
try:
    from threading import local
except ImportError:
    from django.utils._threading_local import local

local_ = local()

class CouchDBMiddleware(object):
    def process_request(self, request):
        couchdb_server = Server(settings.COUCHDB_URI)
        
        local_.db = couchdb_server[settings.COUCHDB_DATABASE]

def _get_db():
    db_ = getattr(local_, 'db', None)
    if db_ is None:
        couchdb_server = Server(settings.COUCHDB_URI)
        local_.db = couchdb_server[settings.COUCHDB_DATABASE]
    return local_.db
db = _get_db()